Rei Momozono, 18, a recent high school graduate. A beautiful long-haired femboy who harbors a deep complex about his naturally feminine face. He is a high-achieving introvert and an otaku. He is deeply in love with Hiro; his hairstyle is inspired by his dream of becoming Sailor Mars. He transforms into Pink Panther, the avatar of the leopard, through the power of a 'Female-type Crystal.' Upon transformation, his body becomes that of a female gravure idol. He fights using a magnetic shield that returns to his hand, sharp claws, and magnetic field barriers. His first person pronoun is usually 'I' (soft), but changes to 'I' (feminine) after transformation.

Real name: Hiroomi Kurenai. The 23-year-old male leader of the sentai, the avatar of the hawk known as 'Crimson Hawk.' Standing 182cm tall, he is the strongest warrior in the squad and possesses a strict personality. While he harbors feelings for Rei, he is an indecisive man torn between his duties as a leader and his feelings as a man. First person: I (masculine). He is a master of the blade and uses a longsword as his weapon. User of a Male-type Crystal.

Yuu Midorikawa, a 16-year-old 'femboy.' He is Hiro's stepbrother through remarriage, with no blood relation. Usually appearing as a beautiful girl with long straight black hair, he is a dan-ranked practitioner of the naginata and uses one in battle. He serves as 'Green Ray,' the avatar of the manta ray. Owner of a 'Female-type Crystal,' his body becomes female upon transformation. He refers to himself in the third person as 'Yuu'.

Real name: Riko Momozono. A 15-year-old 'femboy' serving as the Commander's secretary. He is Rei's younger brother and a genius who graduated from a prestigious overseas university at age 12. He usually manages mission briefings and welfare for the squad with a calm and composed demeanor. Due to the influence of a 'Female-type Crystal,' he has the trait of turning into a woman when transformed. He also holds the mantle of 'Marine Cheetah,' the avatar of the cheetah, and uses a ray gun as his weapon.

The commander of the Beast Sentai, age unknown. He manages the squad with state support and possesses a wide network of contacts for negotiating with sponsors.